#include <iostream>
#include <math.h>
using namespace std;
int main()
{
	int num_1,num_2,num_3;
	float average;
	cout<<"num_1=";cin>>num_1;
	cout<<"num_2=";cin>>num_2;
	cout<<"num_3=";cin>>num_3;
	average=(num_1+num_2+num_3)/3;
	cout<<"Average="<<average<<endl;

return 0;
}
